angular 7 test Data path "['test']" should have required property 'builder'. code example

Example 1: Data path ".builders['app-shell']" should have required property 'class'.

npm uninstall @angular-devkit/build-angular
npm install @angular-devkit/[email protected]

Example 2: Data path ".builders['app-shell']" should have required property 'class'.

"@angular-devkit/build-angular": "^0.10.0",